<!DOCTYPE html>

<html>
	<head>
		<meta charset="UTF-8">
		<title>登录(假的)</title>
	</head>
	<body>
	
		<form action="/sign/in" method="post" >
			<input type="text" name="username" placeholder="用户名">
			<input type="password" name="password" placeholder="密码">
			<input type="submit" value="登录" >
		</form>
	
	</body>
</html>